ISSUE:

This article is being published to clarify the use of Vehicle Communication Link (VCL) and Alternative Fuel Control Module (AFCM) terminology for the listed bi-fuel vehicles.

ACTION:

Use the text in this article to clarify components, applications, and location of the VCL and the AFCM. The VCL is a separate component and the AFCM is internal to the compuvalve. Refer to the following Service Information for details.

SERVICE INFORMATION

NOTE:

FOR MODEL YEAR 2000 AND NEWER BI-FUEL VEHICLES, THE VCL WAS MODIFIED AND REMOVED AS A SEPARATE COMPONENT AND INCORPORATED INTO THE COMPUVALVE (WITH THE EXCEPTION OF THE 2000 CONTOUR).

NOTE:

THE NEW GENERATION STAR (NGS) TESTER WILL ALWAYS REFER TO THE VCL AS THE AFCM, WHETHER IT IS A SEPARATE COMPONENT OR INTERNAL TO THE COMPUVALVE.

The following application is where the VCL is a separate component.

1996 CNG bi-fuel Econoline and F-Series

1998/1999 CNG/LPG bi-fuel Econoline and F-Series

The VCL is located inside the passenger side kick panel.

1996 through 2000 CNG bi-fuel Contour

The VCL is located under the center section of the dash. Refer to Figure 1.

The following application is where the AFCM is internal to the compuvalve.